粉煤灰对印染废水的吸附处理研究常云海

35720107ENVIRONMENTALSCIENCEANDMANAGEMENTVol.35No.7July2010:2010-01-11:(1970-),,,,,,,。:1674-6139(2010)07-0054-03常云海(,033000)　:研究了粉煤灰对印染废水吸附脱色处理效果,确定了最佳脱色条件和穿透曲线的特征,并探讨了其对印染废水CODcr的去除率。结果表明:对色度都为700倍、CODcr分别为664.2mg/L、947.1mg/L的红、蓝色印染废水,粉煤灰处理的最佳用量分别为18g和16g,最佳吸附接触时间分别为2.0h和2.5h,最佳pH5～7,穿透体积分别为115mL和120mL,脱色率均可达到95﹪以上;CODcr的去除率分别为81.5%和41.1%。:粉煤灰;吸附;印染废水;脱色率:X513:AStudyontheAdsorptionTreatmentofPrintingandDyeingWastewaterbyFlyAshChangYunhai(LvliangEnvironmentalScienceInstituteofShanxiProvince,Lishi033000,China)Abstract:Thispaperstudiesonadsorptiontreatmentbyflyashinprintinganddyeingwastewaterandconfirmsthebestad-sorptionconditionandpenetrationcurve,.anddiscussestheremovalefficiencyoftheCODcrinwastewater.Theresultsshowthatthebestdosageoftheflyashisrespectively18gand16g,thebestadsorptioncontacttimeisrespectively2.0hand2.5h,thebestpHvalueis5～7,thepenetrationvolumeisrespectively115mLand120mLfordisposingredandblueprintinganddyeingwastewaterofwhichthechromaticityis700times,CODcrisrespectively664.2mg/Land947.1mg/L,theremovalrateofdecol-orationisabove95,theremovalefficiencyofCODcris81.5%and41.1%.Keywords:flyash;adsorption;printinganddyeingwastewater;decolorationefficiency　　、、、、,、、、、、[1],,。[2-3],:、、、、[4]。,,。,。[5]。[6],[7-9],,、COD。、,,。,,,CODcr,。1　1.1　(),700,pH8～9,CODcr664.2mg/L974.1mg/L。1.2　,0.1mm～0.3mm,,。1。·54·35720107·Vol.35No.7July20101.3　-,CODcr-[10]。1.4　:100mL250mL,pH,,,,。,。、pH。:50mL,,,,。,,,5mL,,,。1　SiO2Al2O3Fe2O3CaOMgOK2ONa2OSO3(%)43.2830.929.343.542.280.520.060.499.572　2.1　2。2,,;,8.0g18.0g,41.7%95%,;,,18g/100mL。,8.0g17.0g,16.7%95%,;,,17g/100mL。,,,。,。2　(g)8.010.012.014.016.017.018.020.0(%)41.750.058.362.366.791.795.095.0(%)16.733.366.783.391.795.095.095.02.2　3,,;,0.5h2.0h,75%95%,;,,2.0h。,0.5h2.5h,66.7%95%,2.5h。,,,。3　(h)0.51.01.52.02.53.04.05.0(%)75.083.387.595.095.095.095.095.0(%)66.783.391.791.795.095.095.095.02.3　pHpH4。4,,pH≤7,95%,pH=9,83%,,,pH5～7。,pH7,98%,pH=12,83%,。,pH,pH,,、。,pH1.011.0,99.2%75%,。,pH,pH=5～7。·55·35720107·Vol.35No.7July20104　pHpH22.53.55.467911(%)99.298.396.796.795.095.083.375pH2.03.03.84.65.57.010.012.0(%)99.799.799.799.599.298.391.783.32.4　CODcr5,,CODcr。CODcr81.5%,CODcr41.1%,CODcr,。5　CODcrCODcr(O,mg/L)664.2123.0947.1557.6CODcr(%)81.541.12.5　,[11-12]。12。1　2　,220mL。100mL100%。,。115mL,99.3%。,,4,115mL。115mL,,。210mL,8.3%,550,91.7%,。,215mL。105mL100%。120mL,5,8.3%,99.2%。5,120mL。120mL,,。210mL,8.3%,550,91.7%。,。3　(1),:,18g16g,2.0h2.5h,pH5～7,95。,115mL120mL。(2)CODcr81.5%,CODcr41.1%,CODcr,。:[1]相会强,默占,张淑敏.江粉煤灰在印染废水处理中的应用[J].染料与染色,2005,42(2):60-62.[2]邵青.高效脱色絮凝剂脱色絮凝机理浅探及其应用[J].工业水处理,2000,20(2):5-8.[3]郑冀鲁,范娟,阮复昌.印染废水脱色技术与理论述评[J].环境污染治理技术与设备,2000,1(5):12-16.[4]李风亭,陆雪非,张冰如.印染废水脱色方法[J].水处理技术,2003,29(1):12-14.(下转第81页)·56·35720107·Vol.35No.7July20104　COD　　4,20min～120min,COD,120min,。,,HRT。,10min。2.4　、,BOD5,2。BOD63000mg/L～3400mg/L,BOD5/CODcr0.210.43,0.30,。2　BOD5(mg/L)1450～17003000～3400B/C(BOD5/CODcr)0.210.433　(1)pH=3.0,1：2,120min,80%,COD53.78%。BOD5/CODcr0.210.43,。。(2),、、,,,,。:[1]王锋,周恭明.铁碳微电解法预处理老龄垃圾填埋场渗滤液的研究[J].环境污染治理技术与设备,2004,5(3):63-65.[2]BanceN,ChartrandM,Keech,etal.TreatmentofAcidicAqueousFerrousSulfateandCopperSulfateasModelsforAcidMineDrainage[J].WaterResearch,2001,35(18):4410-4416.[3]XiaShibin,XiaShuichun,ZhuChangqing.Removaloforganicpollutantsfrom2,2′,5,5′-tetrachlorobenzidine(TCB)industrialwastewaterbymicro-electrochemicaloxidationandair-stripping[J].JournalofHazardousMaterials,2007,144(1-2):159-163.(上接第56页)　　[5]李建萍,王存政,刘宝林,等.粉煤灰在废水处理中的应用[J].再生资源研究,2004(3):36-39.[6]徐革联,张劲勇,邵景景,等.粉煤灰生物联合处理焦化废水的研究[J].粉煤灰综合利用,1999(4):53-54.[7]阎存仙,周红,李世雄.粉煤灰对染料废水的脱色研究[J].环境污染与防治,2000,22(5):3-5.[8]陆海燕.粉煤灰对工业废水净化作用的研究[J].天津轻工业学院学报,1999(1):62-65.[9]徐晴.用粉煤灰处理印染废水[J].环境保护科学,1999,25(6):5-7.[10]奚旦立,孙裕生,刘秀英.环境监测(第三版)[M].北京:高等教育出版社,2004:552-553;562.[11](日)立本英機,(日)安部郁夫,高尚愚译编.活性炭的应用技术[M].南京:东南大学出版社,2002:137-165.[12]张希衡.水污染控制工程(修订版)[M].北京:冶金工业出版社,1993:199-208.·81·